title: Oesophageal perforation at fibreoptic gastroscopy.
mesh_terms: D000368:Aged; D004106:Dilatation / Q000009:adverse effects; D004939:Esophageal Perforation / Q000209:etiology*; D005336:Fiber Optic Technology; D005773:Gastroscopy / Q000009:adverse effects*; D006801:Humans; D007440:Intubation / Q000009:adverse effects; D008875:Middle Aged